CN211903748U - Heating furnace door with enhanced sealing performance - Google Patents
Heating furnace door with enhanced sealing performance Download PDFInfo
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- CN211903748U CN211903748U CN202020402271.0U CN202020402271U CN211903748U CN 211903748 U CN211903748 U CN 211903748U CN 202020402271 U CN202020402271 U CN 202020402271U CN 211903748 U CN211903748 U CN 211903748U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 88
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to a reinforcing sealing performance's heating furnace gate belongs to the technical field of heating furnace, and it includes that vertical sliding connection gets the furnace gate body of material mouthful one side in the heating furnace, and heating furnace one side is provided with the closing mechanism, the closing mechanism is including articulating the guard plate in furnace gate body up end, the guard plate is located furnace gate body and deviates from heating furnace one side, works as when the material mouthful shelters from will getting to the furnace gate body, furnace gate body length on vertical side is less than the guard plate length on vertical side, is provided with elevating system on the heating furnace, elevating system includes the hoist engine of fixed connection in heating furnace up end, hoist engine drive furnace gate body goes up and down, furnace gate body lower extreme is provided with supporting mechanism, supporting mechanism contradicts terminal surface under the furnace gate. The utility model discloses have and seal the gap between furnace gate body and the heating furnace to improve heating furnace gate sealing performance, the effect of energy saving.
Description
Technical Field
The utility model belongs to the technical field of the technique of heating furnace and specifically relates to a reinforcing sealing performance's heating furnace door is related to.
Background
The heating furnace is a common device in the fields of metallurgy and the like at present, a furnace door arranged at a furnace mouth of the heating furnace plays the roles of closing the furnace mouth, preventing heat in the furnace from dissipating and preventing cold air outside the furnace from entering the furnace, and the furnace door is controlled to ascend or descend by a hoisting device so as to open or close the furnace door.
Present grant bulletin number is CN 204535410U's chinese utility model discloses specially do benefit to 2015 year 8 month 5 and disclose a heating furnace gate, including door frame, the furnace gate body that sets up along upper and lower direction and door frame looks slip, furnace gate body is connected with its gliding actuating mechanism from top to bottom of drive, actuating mechanism includes the hoist engine, set up the directional guide pulley on door frame, wire rope on the hoist engine is walked around directional guide pulley and is connected with the furnace gate body, the hoist engine is located furnace gate body one side, the hoist engine is curled up wire rope, the furnace gate body rises under wire rope drives and will get the material mouth and expose, get the material and finish the back hoist engine and loose wire rope, the furnace gate body falls down will get the material mouth and seal.
The above prior art solutions have the following drawbacks: the material taking port is closed after the furnace door body falls down, and because the driving mechanism can only provide pulling force in the vertical direction for the furnace door body and can not provide pushing force in the horizontal direction, a gap exists between the furnace door body and the heating furnace, heat in the heating furnace is dissipated from the gap, and energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heating furnace door with enhanced sealing performance, which aims to overcome the defects of the prior art. The gap between the furnace door body and the heating furnace is sealed, so that the sealing performance of the heating furnace door is improved, and energy is saved.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a reinforcing sealing performance's heating furnace gate, includes that vertical sliding connection gets the furnace gate body of material mouthful one side in the heating furnace, and heating furnace one side is provided with the closing mechanism, the closing mechanism is including articulating the guard plate in furnace gate body up end, the guard plate is located the furnace gate body and deviates from heating furnace one side, works as when the furnace gate body will get the material mouthful and shelter from, the ascending length of furnace gate body in vertical side is less than the ascending length of guard plate in vertical side, is provided with elevating system on the heating furnace, elevating system includes the hoist engine of fixed connection in heating furnace up end, hoist engine drive furnace gate body goes up and down, furnace gate body lower extreme is provided with supporting mechanism, supporting mechanism contradicts terminal.
By adopting the technical scheme, when the winch drives the furnace door body to ascend and shield the material taking port, the supporting mechanism abuts against the lower end face of the furnace door body to reduce the load of the lifting mechanism, and the protective plate can shield gaps at the upper end and the lower end of the furnace door body, so that the sealing performance of the heating furnace door is improved, and energy is saved.
The present invention may be further configured in a preferred embodiment as: the supporting mechanism comprises a first supporting plate fixedly connected to the side wall of the heating furnace, two supporting blocks are movably connected to the horizontal surface in the first supporting plate, and when the furnace door body shields the material taking port, the supporting blocks abut against the lower end face of the furnace door body.
Through adopting above-mentioned technical scheme, the supporting shoe is contradicted in furnace gate body lower extreme face, provides the holding power for the furnace gate body from the below to alleviate the hoist engine load, the supporting shoe slides and to prevent that the supporting shoe from causing the influence to furnace gate body decline.
The present invention may be further configured in a preferred embodiment as: the lifting mechanism comprises a supporting rod penetrating through the hinged position of the furnace door body and the protection plate, and two ends of the supporting rod are connected with the winch through steel wire ropes.
By adopting the technical scheme, the furnace door body is lifted simultaneously from the two ends of the supporting rod by the winch, so that the furnace door body can rise more stably.
The present invention may be further configured in a preferred embodiment as: the sealing mechanism further comprises two second supporting plates fixedly connected to the side wall of the heating furnace, the two second supporting plates are respectively located on two sides of the protection plate, the lower end face of each second supporting plate is fixedly connected to the upper end face of the corresponding first supporting plate, a sealing plate is horizontally and slidably connected in the corresponding second supporting plate, first grooves are formed in the protection plate towards two sides of the corresponding second supporting plate, and one end of the sealing plate is inserted into the corresponding first groove.
By adopting the technical scheme, when the closing plate is inserted into the first groove, the closing plate and the protection plate close the gaps on two sides of the furnace door body in the horizontal direction, so that the sealing performance is enhanced, and the energy is saved.
The present invention may be further configured in a preferred embodiment as: and one side of the sealing plate, which faces the heating furnace, is fixedly connected to one side of the supporting block, which deviates from the heating furnace.
By adopting the technical scheme, the supporting block moves to drive the closing plate to move simultaneously, the operation of supporting the furnace door body and closing gaps on two sides of the furnace door body in the horizontal direction is completed simultaneously, and the operation is simple and convenient.
The present invention may be further configured in a preferred embodiment as: first spout has vertically been seted up to first backup pad up end, furnace door body sliding connection is in first spout, the distance of sliding of first backup pad in the vertical direction is less than the length in the vertical direction of first backup pad.
By adopting the technical scheme, when the furnace door body cannot continuously ascend, the lower end of the furnace door body is positioned in the first chute, so that the sealing performance of the furnace door body in the vertical direction is enhanced.
The present invention may be further configured in a preferred embodiment as: the second supporting plate is provided with a second sliding groove in the direction perpendicular to the discharging direction, the supporting block is horizontally and slidably connected into the second sliding groove, the bottom wall of the second sliding groove is fixedly connected with a push-pull hydraulic cylinder, a piston rod of the push-pull hydraulic cylinder is fixedly connected to one side, deviating from the other supporting block, of the supporting block, and the piston rod of the push-pull hydraulic cylinder stretches in the direction perpendicular to the discharging direction.
By adopting the technical scheme, the push-pull hydraulic cylinder is utilized to push the supporting block to slide and drive the sealing plate to move, so that the work is labor-saving and reliable.
The present invention may be further configured in a preferred embodiment as: the side wall of the heating furnace is fixedly connected with a limiting plate, and the limiting plate is positioned above the furnace door body.
By adopting the technical scheme, the limiting plate displays the rising height of the furnace door body, and the limiting plate is prevented from slipping from the upper end of the heating furnace.
The present invention may be further configured in a preferred embodiment as: the lower end face of the limiting plate is provided with a second groove, and the upper end of the protection plate is inserted into the second groove.
By adopting the technical scheme, the upper end of the protection plate is inserted into the second groove, and a gap at the upper end of the furnace door body is sealed, so that the sealing performance of the heating furnace door is improved.
The present invention may be further configured in a preferred embodiment as: the utility model discloses a heating furnace door body, including guard plate, heating furnace door body, first backup pad, angle iron guide rail, first backup pad, second backup pad, the guard plate all is provided with the wedge face towards furnace door body one side about both ends, and the heating furnace carries the flitch to be provided with the wedge face, guard plate upper end wedge face and the cooperation of heating furnace year flitch wedge face, first backup pad deviates from heating furnace one side fixedly connected with angle iron guide rail, the angle iron guide rail is kept away from first backup pad and is contradicted with the pay.
Through adopting above-mentioned technical scheme, the furnace gate body slides to the ground direction, the guard plate descends to the ground direction along with the furnace gate body, when the guard plate lower extreme is contradicted in the angle bar guide rail, the guard plate rotates, in the guard plate upper end stretched into the heating furnace, the guard plate lower extreme removed to the pay-off dolly direction, when furnace gate body lower extreme was contradicted in first spout bottom, guard plate lower extreme wedge was contradicted in the pay-off dolly up end, guard plate upper end wedge cooperateed with heating furnace year material platform wedge, conveniently with waiting in the heating furnace hammer forging material from the heating furnace internal slipping to the pay-off dolly, easy operation laborsaving.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the winch is used for driving the furnace door body to ascend to shield the material taking port, the supporting mechanism is abutted against the lower end face of the furnace door body, so that the load of the lifting mechanism can be reduced, and the protective plate can shield gaps at the upper end and the lower end of the furnace door body, so that the sealing performance of the heating furnace door is improved, and energy is saved;
2. the support block moves to drive the closing plate to move simultaneously, and the operation of supporting the gaps at two sides of the furnace door body and closing the gaps at two sides of the furnace door body in the horizontal direction is completed simultaneously, so that the operation is simple and convenient;
3. the furnace gate body slides to the ground direction, the guard plate descends to the ground direction along with the furnace gate body, when the guard plate lower extreme is contradicted in the angle bar guide rail, the guard plate rotates, in the guard plate upper end stretched into the heating furnace, the guard plate lower extreme removed to pay-off dolly direction, furnace gate body lower extreme was contradicted when first spout bottom, guard plate lower extreme wedge was contradicted in pay-off dolly up end, guard plate upper end wedge cooperateed with heating furnace year material platform wedge, conveniently with waiting in the heating furnace hammer forging material from the heating furnace in slide to the pay-off dolly on, easy operation laborsaving.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view of the connection of the shielding plate with the oven door body;
FIG. 3 is a schematic partial cross-sectional view of the present embodiment, mainly illustrating the closing mechanism and the supporting mechanism;
fig. 4 is a partial schematic structural view of the present embodiment, which is mainly used for showing the connection relationship between the oven door body and the first supporting plate.
Reference numerals: 110. a material taking port; 120. a material carrying plate; 130. a feeding trolley; 210. a furnace door body; 220. a sealing mechanism; 221. a protection plate; 222. a second support plate; 223. a third chute; 224. a closing plate; 225. a first groove; 230. a lifting mechanism; 231. a support bar; 232. a winch; 240. a support mechanism; 241. a first support plate; 242. a second chute; 243. a support block; 244. a push-pull hydraulic cylinder; 245. a first chute; 250. a limiting plate; 260. an angle iron guide rail; 270. a second groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a reinforcing sealing performance's heating furnace door, including vertical sliding connection in the heating furnace get the furnace door body 210 (refer to fig. 2) of material mouth 110 one side, be provided with closing mechanism 220 on the heating furnace, closing mechanism 220 and furnace door body 210 are in same one side, are provided with elevating system 230 on the heating furnace, and heating furnace one side sliding connection has supporting mechanism 240.
Referring to fig. 2 and 3, the closing mechanism 220 includes a protection plate 221 hinged to the upper end surface of the oven door body 210, the protection plate 221 is located on one side of the oven door body 210 departing from the heating furnace, when the oven door body 210 shields the material taking port 110, the length of the oven door body 210 in the vertical direction is smaller than that of the protection plate 221 in the vertical direction, two second support plates 222 are fixedly connected to the side wall of the heating furnace, the two second support plates 222 are respectively located on two sides of the protection plate 221, the lower end of each second support plate 222 is fixedly connected to the upper end surface of the first support plate 241, a third sliding groove 223 is formed in each second support plate 222 in the direction perpendicular to the material discharging direction, a closing plate 224 is slidably connected to each third sliding groove 223, and the closing plate 224.
Referring to fig. 2 and 3, the protection plate 221 is provided with first grooves 225 facing two sides of the closing plate 224, and one end of the closing plate 224 is clamped in the first grooves 225.
Referring to fig. 1 and 2, wedge-shaped surfaces are respectively arranged at the upper end and the lower end of one side of the protection plate 221, which faces the oven door body 210, two angle iron guide rails 260 are fixedly connected to one side of the first support plate 241, which faces away from the heating furnace, and the other ends of the angle iron guide rails 260 abut against the feeding trolley 130. The furnace door body 210 slides towards the ground direction, the protection plate 221 descends along with the furnace door body 210 towards the ground direction, when the lower end of the protection plate 221 abuts against the angle iron guide rail 260, the protection plate 221 rotates, the upper end of the protection plate 221 extends into the heating furnace, the lower end of the protection plate 221 moves towards the direction of the feeding trolley 130, and when the lower end of the furnace door body 210 abuts against the bottom of the first sliding groove 245, the wedge-shaped surface of the lower end of the protection plate 221 abuts against the upper end surface of the feeding trolley 130.
Referring to fig. 2 and 3, a wedge-shaped surface is arranged on the upper end surface of the material loading platform of the heating furnace, the furnace door body 210 slides towards the ground direction, when the lower end of the protection plate 221 abuts against the angle iron guide rail 260, the protection plate 221 rotates, the upper end of the protection plate 221 enters the heating furnace, and when the wedge-shaped surface of the lower end of the protection plate 221 abuts against the upper end surface of the feeding trolley 130, the wedge-shaped surface of the upper end of the protection plate 221 is matched with the wedge-shaped surface.
Referring to fig. 1 and 2, the lifting mechanism 230 includes a support rod 231 passing through the hinged portion of the oven door body 210 and the protection plate 221, a winch 232 is fixedly connected to the upper end surface of the heating furnace, and two ends of the support rod 231 are connected to the winch 232 through a steel wire rope.
Referring to fig. 3, the supporting mechanism 240 includes a first supporting plate 241 fixedly connected to the side wall of the heating furnace, a second sliding groove 242 is formed in the first supporting plate 241 along the direction perpendicular to the discharging direction, two supporting blocks 243 are horizontally and slidably connected to the inside of the second sliding groove 242, a bottom wall push-pull hydraulic cylinder 244 is fixedly connected to the second sliding groove 242, a piston rod of the push-pull hydraulic cylinder 244 is fixedly connected to one side of the supporting block 243 away from the other supporting block 243, and a piston rod of the push-pull hydraulic cylinder 244 extends and retracts along the direction.
Referring to fig. 4, a first sliding groove 245 is vertically formed in the upper end surface of the first support plate 241, the oven door body 210 is slidably connected in the first sliding groove 245, a limit plate 250 is fixedly connected to the side wall of the heating oven, and the limit plate 250 is located above the oven door body 210. The sliding distance of the oven door body 210 in the vertical direction is smaller than the length of the oven door body 210 in the vertical direction, and when the oven door body 210 cannot be lifted continuously, the lower end of the oven door part is inserted into the first chute 245.
Referring to fig. 4, the lower end surface of the limit plate 250 is provided with a second groove 270, and when the oven door body 210 cannot be lifted continuously, the upper end of the protection plate 221 is inserted into the second groove 270.
The implementation manner of the embodiment is as follows: when the material needs to be taken out of the heating furnace, the piston rod of the push-pull hydraulic cylinder 244 is retracted into the cylinder body, the supporting block 243 slides away from the other supporting block 243, the closing plate 224 slides under the driving of the supporting block 243, and the closing plate 224 slides out of the first groove 225.
The hoist 232 starts to loosen the wire rope, and the furnace door body 210 slides to the ground direction, and when the lower end of the protection plate 221 contradicts in the angle iron guide rail 260, the protection plate 221 rotates, and the upper end of the protection plate 221 stretches into the heating furnace, and the lower end of the protection plate 221 moves to the direction of the feeding trolley 130, and when the lower end of the furnace door body 210 contradicts in the bottom of the first chute 245, the wedge surface at the lower end of the protection plate 221 contradicts in the upper end surface of the feeding trolley 130, and the wedge surface at the upper end of the protection plate 221 contradict.
And taking the material to be hammered out from the heating furnace, and sliding the material to be hammered to the upper end surface of the feeding trolley 130 through the protective plate 221.
After the material is taken, the winding machine 232 is started to wind up the steel wire rope, the oven door body 210 rises upwards, the protection plate 221 is driven by the oven door body 210 to rise and rotate under the action of gravity, the upper end of the protection plate 221 slides out of the heating oven, and when the oven door body 210 cannot rise continuously, the upper end of the protection plate 221 is inserted into the second groove 270.
The piston rod of the push-pull hydraulic cylinder 244 extends to push the supporting block 243 to slide towards the direction close to the other supporting block 243, when the closing plate 224 is inserted into the first groove 225, the supporting block 243 stops sliding, and at the moment, the supporting block 243 is positioned at the lower end of the oven door body 210 and props against the lower end surface of the oven door body 210, so that the load of the winch 232 is effectively reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A heating furnace door capable of enhancing sealing performance is characterized in that: comprises a furnace door body (210) which is vertically and slidably connected with one side of a material taking port (110) of a heating furnace, a closing mechanism (220) is arranged at one side of the heating furnace, the closing mechanism (220) comprises a protection plate (221) hinged on the upper end surface of the oven door body (210), the protection plate (221) is positioned on one side of the oven door body (210) departing from the heating furnace, when the furnace door body (210) shields the material taking port (110), the length of the furnace door body (210) in the vertical direction is smaller than that of the protection plate (221), the heating furnace is provided with a lifting mechanism (230), the lifting mechanism (230) comprises a winch (232) fixedly connected with the upper end surface of the heating furnace, the winding machine (232) drives the oven door body (210) to lift, a supporting mechanism (240) is arranged at the lower end of the oven door body (210), and the supporting mechanism (240) abuts against the lower end face of the oven door body (210).
2. A heating oven door with enhanced sealing performance according to claim 1, wherein: the supporting mechanism (240) comprises a first supporting plate (241) fixedly connected to the side wall of the heating furnace, two supporting blocks (243) are movably connected to the inner surface of the first supporting plate (241), and when the furnace door body (210) shields the material taking opening (110), the supporting blocks (243) are abutted to the lower end face of the furnace door body (210).
3. A heating oven door with enhanced sealing performance according to claim 2, wherein: the lifting mechanism (230) comprises a supporting rod (231) penetrating through the hinged position of the oven door body (210) and the protection plate (221), and two ends of the supporting rod (231) are connected with a winch (232) through a steel wire rope.
4. A heating oven door with enhanced sealing performance according to claim 3, wherein: the sealing mechanism (220) further comprises two second supporting plates (222) fixedly connected to the side wall of the heating furnace, the two second supporting plates (222) are respectively located on two sides of the protective plate (221), the lower end face of each second supporting plate (222) is fixedly connected to the upper end face of the corresponding first supporting plate (241), the inner water surface of each second supporting plate (222) is movably connected with a sealing plate (224), the protective plate (221) faces towards two sides of the corresponding second supporting plate (222) and is provided with first grooves (225), and one end of each sealing plate (224) is inserted into the corresponding first groove (225).
5. The door according to claim 4, wherein the door further comprises: the side, facing the heating furnace, of the closing plate (224) is fixedly connected to the side, facing away from the heating furnace, of the supporting block (243).
6. A heating oven door with enhanced sealing performance according to claim 5, characterized in that: first spout (245) have vertically been seted up to first backup pad (241) up end, furnace door body (210) sliding connection is in first spout (245), the distance of sliding of first backup pad (241) in the vertical direction is less than the length of first backup pad (241) in the vertical direction.
7. The door according to claim 6, wherein the door further comprises: the second sliding groove (242) is formed in the second supporting plate (222) in the direction perpendicular to the discharging direction, the supporting block (243) is horizontally connected into the second sliding groove (242) in a sliding mode, the bottom wall of the second sliding groove (242) is fixedly connected with a push-pull hydraulic cylinder (244), a piston rod of the push-pull hydraulic cylinder (244) is fixedly connected to one side, away from the other supporting block (243), of the supporting block (243), and a piston rod of the push-pull hydraulic cylinder (244) stretches in the direction perpendicular to the discharging direction.
8. A heating oven door with enhanced sealing performance according to claim 7, wherein: the side wall of the heating furnace is fixedly connected with a limiting plate (250), and the limiting plate (250) is positioned above the furnace door body (210).
9. A heating oven door with enhanced sealing performance as claimed in claim 8, wherein: the lower end face of the limiting plate (250) is provided with a second groove (270), and the upper end of the protection plate (221) is inserted into the second groove (270).
10. A heating oven door with enhanced sealing performance according to claim 9, wherein: protection plate (221) all are provided with the wedge face towards furnace door body (210) one side upper and lower both ends, and the heating furnace carries flitch (120) to be provided with the wedge face, protection plate (221) upper end wedge face carries flitch (120) wedge face cooperation with the heating furnace, first backup pad (241) deviate from heating furnace one side fixedly connected with angle bar guide rail (260), first backup pad (241) are kept away from in angle bar guide rail (260) one section and are contradicted with pay-off dolly (130), the lower extreme wedge face of protection plate (221) is contradicted in pay-off dolly (130) up end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402271.0U CN211903748U (en) | 2020-03-25 | 2020-03-25 | Heating furnace door with enhanced sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402271.0U CN211903748U (en) | 2020-03-25 | 2020-03-25 | Heating furnace door with enhanced sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211903748U true CN211903748U (en) | 2020-11-10 |
Family
ID=73275267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020402271.0U Active CN211903748U (en) | 2020-03-25 | 2020-03-25 | Heating furnace door with enhanced sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211903748U (en) |
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2020
- 2020-03-25 CN CN202020402271.0U patent/CN211903748U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.34, Yixiang North Road, Kouzhen street, Laiwu District, Jinan City, Shandong Province Patentee after: Shandong Zhuxin Forging Co.,Ltd. Address before: 250000 Chengbei Economic Development Zone, Laiwu City, Jinan City, Shandong Province Patentee before: Laiwu Zhuxin Forging Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heating furnace door with enhanced sealing performance Granted publication date: 20201110 Pledgee: Laiwu Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Zhuxin Forging Co.,Ltd. Registration number: Y2024980008347 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |